package cn.tedu._07springaop.aop;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.springframework.stereotype.Component;

import java.util.Arrays;

@Aspect
@Component
public class LogAspect {
//    @Before(value = "execution(public int cn.tedu._07springaop.aop.CalculatorImpl.*(..))")
//    public void beforeMethod(JoinPoint joinPoint){
//        String name = joinPoint.getSignature().getName();
//        String args = Arrays.toString(joinPoint.getArgs());
//        System.out.println("[前置通知]:"+name+"方法开始，参数为x和x");
//    }
//
//    @AfterReturning(value = "execution(public int cn.tedu._07springaop.aop.CalculatorImpl.*(..))",returning = "r")
//    public void afterReturningMethod(JoinPoint joinPoint,Object r){
//        String name = joinPoint.getSignature().getName();
//        System.out.println("[返回通知]:"+name+"方法结束，结果为:"+r);
//    }
//    @After(value = "execution(public int cn.tedu._07springaop.aop.CalculatorImpl.*(..))")
//    public void afterMethod(JoinPoint joinPoint){
//        String name = joinPoint.getSignature().getName();
//        System.out.println("[后置通知]:" + name + "方法彻底结束");
//    }
//    @AfterThrowing(value = "execution(public int cn.tedu._07springaop.aop.CalculatorImpl.*(..))",throwing = "ex")
//    public void afterThrowingMethod(JoinPoint joinPoint,Throwable ex){
//        String message = ex.getMessage();
//        String name = joinPoint.getSignature().getName();
//        System.out.println("[异常通知]:" + name + "方法异常" + message);
//    }
    @Around(value = "execution(public int cn.tedu._07springaop.aop.CalculatorImpl.*(..))")
    public Object aroundMethod(ProceedingJoinPoint proceedingJoinPoint){
        Object result = null;
        try{
            System.out.println("111-前置通知");
            result = proceedingJoinPoint.proceed();
            System.out.println("111-返回通知");
        } catch (Throwable e){
            System.out.println("111-异常通知");
            throw new RuntimeException(e);
        }finally {
            System.out.println("111-后置通知");
        }

        return result;
    }
}
